Home / 400,253,589.89-552,355,595.04-230,614,072.91

Finding the Fourth Proportional to 400,253,589.89, 552,355,595.04 and 230,614,072.91

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Solution

The fourth proportional to 400,253,589.89, 552,355,595.04 and 230,614,072.91 is: 318,250,670.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,253,589.89 : 552,355,595.04 = 230,614,072.91 : x
  2. Step 2: Convert to fraction form
    400,253,589.89/552,355,595.04 = 230,614,072.91/x
  3. Step 3: Cross multiply
    400,253,589.89x = 552,355,595.04 × 230,614,072.91
  4. Step 4: Simplify right side
    400,253,589.89x = 127,380,973,468,722,960
  5. Step 5: Solve for x
    x = 127,380,973,468,722,960/400,253,589.89
  6. Step 6: Final answer
    x = 318,250,670.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.